Dr. Bijay  Kumar  Sahoo

Department Department of Physics
Designation Associate Professor
Educational Qualification M.Sc (Physics), Ph.D
E-Mail bksahoo.phy@nitrr.ac.in, bijaya.nitr@gmail.com
Contact Number 09589186713
Areas of Interest

Theoretical Condensed Matter Physics

1. Self-Heating minimization in III-V nitride HFET

2. Efficiency droop reduction in III-V nitride LED

3. Thermoelectric efficiency of III-V nitride superlattices

4. III-V nitride and Graphene in SPR Biosensor

Publications

 

Some Selected Publications 

 

  1. A theoretical investigation of pyroelectric effect and thermoelectric improvement of AlInN/GaN Heterostructures; Subhransu S. Sahu and B. K. Sahoo; Thin Solid films; 684 (2019) 59.
  2. Primary pyroelectric transition temperature of binary nitrides; M. Swain, S. K. Sahoo and B. K. Sahoo;Modern physics Lett B; 33 (2019) 1950049.
  3. Pyroelectric property of binary nitrides; G. Hansdah and B. K. Sahoo; International Jouirnal of thermophysics; 40 (2019) 20
  4. Pyroelectric effect and lattice thermal conductivity of InN/GaN Heterostructure; G. Hansdah and B. K. Sahoo, J. Phys. Chem. Solids, 117 (2018) 111. 
  5. Built in polarization and thermal conductivity of InGaN/GaN Heterstructure; V. Gedam and B. K. Sahoo; Physica E 93 (2017) 63

  6. Effect of III-V nitrides on performance of graphene based SPR biosensor for detection of hemoglobin in human blood sample, G. Mohanty and B. K. Sahoo,  Current Appl. Phys, 16 (2016)1607

  7. III-V nitrides and performance of graphene on copper SPR biosensors; G. Mohanty and B. K. Sahoo, Superlattices and Micrstructure 93 (2016) 226

  8. Effect of semiconductor on sensitivity of a graphene silver spr biosensor; G. Mohanty, J. Akhtar and B. K. Sahoo, Plasmonics, 11 (2016) 189

  9. Built-in-polarization effect on thermal properties of AlGaN-GaN heterostructure; A. Pansari, V. Gedam and B. K. Sahoo, J. Phys. Chem. Solids, 87 (2015) 177.

  10. Macroscopic polarization and bowing parameters of AlGaN,Anju Pansari, Vikas Gedam and B. K. Sahoo,  Physica B, 456  (2015) 66

  11. Macroscopic polarization and bowing parameters of InGaN, V. Gedam, A. Pansari and B. K. Sahoo, J. Electronic Materials, 44  (2015) 1035

  12. Macroscopic polarization and thermal conductivity of InN, B. K. Sahoo, J. Alloy. and Comp., 605  (2014) 217

  13. Macroscopic polarization and thermal conductivity of GaN, B. K. Sahoo, S. K. Sahoo and S. Sahoo, J. Phys. Chem. Solids, 74 (2013) 1669

  14. Macroscopic polarization effect on thermal properties of binary wurzites, B. K. Sahoo, S. K. Sahoo and S. Sahoo, J. Appl. Phys,114  (2013) 163501

  15. Effect of piezoelectric polarization on phonon velocity in wurtzite nitrides, B. K. Sahoo, J. of Material Science, 47 (2012) 2624

  16. Spectra of relic gravitons and Brans-Dicke theory, B. K. Sahoo, Mod. Phy. Lett A 20(2005)127

  17. Gravitational waves in generalised Brans-Dicke theory, B. K Sahoo and L. P. Singh, Mod. Phy. Lett A 19 (2004)1745

  18. Cosmic evolution in generalised Brans-Dicke theory, B. K. Sahoo and L. P. Singh  Mod. Phy. Lett A 18 (2003)2725

  19. Time dependence of Brans-Dicke parameter for expanding universe, B. K. Sahoo and L. P. Singh, Mod. Phy. Lett A 17 (2002) 2409  


Conference publication

 

  1. Effect of III-V nitrides on performance of graphene on Ag SPR biosensorn,  Int. Conference on Science and Engineering, London, 1-3 June (2016)

  2. Polarization effect on thermal properties of AlN, DAE solid state physics symposium VIT, Vellore December,(2015)

  3. Macroscopic polarization and material parameters of binary nitrides., B. K. Sahoo, International conference on fundamental and applied sciences (ICFAS 2014), Kualalumpur, Malaysia (2014)

  4. Macroscopic polarization and thermal conductivity of InN, B. K. Sahoo, International conference on optics and optoelectronics (ICOL) - Dehradun, India (2014) 

  5. Effect of macroscopic polarization on elastic constant of AlGaN alloy, B. K. Sahoo et al, National conference on emerging trends in physics of fluids and solids,  Jadvpur University, (W.B) 06-07 March, (2014)

  6. The macroscopic polariztaion effect on thermal conductivity of GaN, B. K. Sahoo, 7th international conference on materials for advanced technologies(ICMAT 2013), 30 June - 5 July, Suntec, Singapore,(2013)

  7. The Effect of Spontaneous and Piezoelectric Polarization on Phonon Relaxation Rates in Binary Wurtzite  Nitrides , Recent trend in Advanced Material Bikaner, Rajstan (2013).

  8. Piezoelectric effect on Artificial Phonon-Plasmon Polariton in LithiumNiobate (LiNbO3), Recent trend in Advanced Material Bikaner, Rajstan (2013).

  9. Polarization effect on thermal properties of binary nitrides, World Academy of Science, Engineering and Technology, Amsterdam (2012). 

  10. Physics of SPR Biosensors, IIT, Indore Proceedings (2012).

  11. Polarization effect on phonon velocity in III-V nitrides, National Seminar on Ferro and Dielectric materials, Central Univ. Bilaspur (2010).


Theoretical study of built-in-polarization effect on relaxation time and mean free path of phonons in AlxGa1-xN alloy

Other Info.

 Ph.D Candidates

Sl.No    Name Year Institute Guide  Status
1 Mr. Shusant Sahoo 2010 NIT Durgapur Dr. B. K. Sahoo and Dr. Sukadev Sahoo Awarded
2 Ms. Anju Panasari 2011 NIT Raipur Dr. B. K. Sahoo Awarded
3 Mr. Vikas Gedam 2011 NIT Raipur  Dr. B. K. Sahoo Awarded
4 Mr. Goutam Mohanty 2012 NIT Raipur Dr. B. K. Sahoo Awarded
5 Mr. Gopal Hansdah 2013 NIT Raipur Dr. B. K. Sahoo   Awarded
6 Mr. Subhranshu S Sahu 2017 NIT Raipur Dr. B. K. Sahoo Ongoing

 

Projects

 

Sl.No Title Funding Agency Year Status
1 Spontaneous and piezoelectric Polarization effect on thermal properties of binary nitrides Chatisgarh Council of Sc and Tech Raipur 2013-16 Completed
2 Effect of interface, strain and phonon confinement on thermal conductivity and Thermoelectric efficiency of GaN/InGaN/GaN Superlattices SERB, DST Govt. of India 2017-20 Ongoing

 

Book and Book chapters

1. Book Chapter:Macroscopic Polarization and Thermal Conductivity of Binary Wurtzite Nitrides, Ed: Ashutosh Tiwari and Mustafa M. Demir (eds.) Advanced Sensor and Detection Materials, (473–486) 2014 (c) Wiley Scrivener Publishing LLC

2.Book Chapter:Graphene and III-V nitrides in Performance of SPR Biosensors, Elsevier Graphene in Bioelectronics (2017) 

3.Book chapter:Graphene in Bioelectronics" has been Graphene and 2D Materials, WILEY-Scrivener Publisher, USA, Advanced Material Series (2017)

4.Book:Built in Polarization and thermal properties of AlGaN/GaN Heterstructures; Lambert Academic Publisher, Germany ISBN: 978-3-330-07524-5 (2017)

Foreign Visit   

1. Visited Amsterdam (Netherland) to participate in international conference in May (2012)

2. Visited Singapore to participate in international conference in  July (2013)

3. Visited Kuala Lumpur (Malaysia) to participate in international conference in June (2014)

4. Visited London (U.K) to participate in international conference in June 2016.

5. Visited Dubai(UAE) to participate in international conference in May 2017